body {
  margin: 0;
  padding: 0;
}

#container {
  position: fixed;
  touch-action: none;
}

.txt{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
}

#footer{
  position: fixed;
  bottom: 0px;
  z-index: 999;
  text-align: center;
  width: 100%;
}

#footer a:link,#footer a:visited,#footer a:hover,#footer a:active{
  color: #fff;
}